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Finding the Fourth Proportional to 221,593.66, 305,795.04 and 135,546.34

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Solution

The fourth proportional to 221,593.66, 305,795.04 and 135,546.34 is: 187,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,593.66 : 305,795.04 = 135,546.34 : x
  2. Step 2: Convert to fraction form
    221,593.66/305,795.04 = 135,546.34/x
  3. Step 3: Cross multiply
    221,593.66x = 305,795.04 × 135,546.34
  4. Step 4: Simplify right side
    221,593.66x = 41,449,398,462.15
  5. Step 5: Solve for x
    x = 41,449,398,462.15/221,593.66
  6. Step 6: Final answer
    x = 187,051.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.